# Change Log
---

- [Optimize: remove discovery module useless code](https://github.com/Tencent/spring-cloud-tencent/pull/597)
- [Bugfix: InstancePreRegisteredEvent and InstanceRegisteredEvent modify Registration info](https://github.com/Tencent/spring-cloud-tencent/pull/583)
- [Fix issue 579:Report the labels in request when report the result of invocation by RestTemplate](https://github.com/Tencent/spring-cloud-tencent/pull/600)
- [Optimize: optimize configuration conditional & optimize config data tips"](https://github.com/Tencent/spring-cloud-tencent/pull/605)
- [Optimize: Maybe remove Chinese characters](https://github.com/Tencent/spring-cloud-tencent/pull/609)
- [Optimize: InstanceId of PolarisRegistration and PolarisServiceRegistry](https://github.com/Tencent/spring-cloud-tencent/pull/612)
- [Bugfix: fix feign report call result error when using feign direct call](https://github.com/Tencent/spring-cloud-tencent/pull/623)
- [optimize:optimize PolarisRouterContext and constants.](https://github.com/Tencent/spring-cloud-tencent/pull/628)
- [support spring-retry router](https://github.com/Tencent/spring-cloud-tencent/pull/631)
- [feat:Transfer http headers specified by environment variables](https://github.com/Tencent/spring-cloud-tencent/pull/638)
- [feat:support read config file from local file system.](https://github.com/Tencent/spring-cloud-tencent/pull/649)
- [feat: publish spring event named ConfigChangeSpringEvent when the configuration is changed](https://github.com/Tencent/spring-cloud-tencent/pull/651)
- [Feature: support new expression](https://github.com/Tencent/spring-cloud-tencent/pull/661)
- [Optimize:optimize TransHeadersTransfer.](https://github.com/Tencent/spring-cloud-tencent/pull/662)
- [fix:fix transfer http headers not working bug.](https://github.com/Tencent/spring-cloud-tencent/pull/663)